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| Brand | Great Tech |
|---|---|
| Origin | Beijing, China |
| Model | ME-510 |
| Measurement Principle | Cold Vapor Atomic Fluorescence Spectrometry (CVAFS) |
| Detection Limit | <0.1 ng/m³ (for 5 L sample) |
| Measurement Range | 0.1–1000 ng/m³ |
| Linear Error | <3% (0–100 ng/m³) |
| Repeatability | <3% RSD |
| Sampling Flow Rate | 0.3–2.0 L/min |
| Sampling Time | 1–58 min |
| Preheating Time | 15 min |
| Carrier Gas | Argon or Nitrogen |
| Carrier Gas Consumption | <25 mL/min |
| Data Update Interval | 3–60 min |
| Operating Temperature | 15–35 °C |
| Operating Humidity | 10–95% RH (non-condensing) |
| Altitude Limit | 0–2000 m |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Max Power Consumption | <150 W |
| Built-in Li-ion Battery | 8 h continuous operation (standard), 80 h with external power management |
| Dimensions | ≤507 × 412 × 215 mm |
| Weight | 18 kg |
| Filter Replacement Interval | 4 weeks |
| Touchscreen | 7-inch capacitive display |
| Data Output | CSV via USB and Wi-Fi |
| GPS Option | Integrated module for geotagged logging |
| Soil Gas Probe Option | Includes temperature (−40 to +80 °C, ±0.3 °C accuracy) and RH (0–100% RH, ±3% RH accuracy) sensors |
| Calibration Source | Programmable low-temperature mercury vapor generator (0–30 °C, ±0.005 °C stability, 0.0001 °C resolution), 25 μL digital syringe (0.01 μL precision) |
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